Frédéric Silvestre has been invited in the PhD thesis jury of Noemie Guirandy about the reprotoxicity of gamma irradiance on zebrafish. Great thesis co-supervised by the Université of Aix-Marseille, the IRSN (Institut de radioprotection et de sûreté nucléaire), and the University f Bordeaux. The defense has been held in a beautiful site at the castle of Cadarache near Marseille.